Plug-socket.



L.' J. GASTON GUAY.

PLUG SOCKET.

APYLICATION FILED M2111, 1911, n

Patented Mar. 31, 1914.

2 SHEETS-SHEET l.

L. J. CASTONGUAY.

PLUG SOCKET.

APPLICATION FILED FEB. 1, 1911.

1,091,562. Patented Mar. 31, 1914.

2 SHEETS-*SHEET 2.

c2. d? I a bracket 44 tothe it will of course be understood that the adjustment of the yoke must be made prior to the application of the body element 11. The said yoke, as shown in Figs. 7 and 9, is provided with a pair of outstanding ears 27, and to these ears, are' secured by screws 28, an upper insulator member 29 that'is thus rotatable with the yoke. It will be noted that this insulator member is located wholly within the cap. It is provided with a central opening 30, and secured to its under side, by binding screws 31 and 32, as shown in Fig. 3, are a pair of wire terminal plates 33 and 34 that are also fastened Iby screws 35 passing downwardly through the insula-l tor member 29. A conductor spring 36 has one end bent around and secured behind the plate 33.

A lower insulator member 37 is located within thelbody element l1 of the shell, and secured vwithin the same is a side plug contact 38 preferably in the form of a screw having an inturned flange 39 secured in place by a continuous circular washer '40 that surrounds a boss 4l. The washer 40 is held in place by a pair of screws 42 which pass upwardly through the insulator mem.- ber 37, and secure a conductor plate 43 and top of the same, as shown in Fig. 2. Operating between the conductor spring 36 and the plate 43 is a make and break device 45, shown in detail in Fig. 5, which preferably consists of an angular boxing having oneside open and provided with an orice 46 in the central portion of its opposite side. This device, when turned to a vertical position, will electrically connect the spring 36 and plate 43, but when moved to a horizontal position, will be out of engagement with the part 36. The bracket 44 1s provided with a pair of spaced ears 47,

' in which is journaled a spring' shaft 48 that is fixed to the usual key 49. This shaft 48 is preferably made of tempered wire, and is rotatable in the orifice 46, its rotatable movement with respect to the make and break device 45 being limited however, inasmuch as its end is formed into a hook 50 constituting a head that is arranged within the cavity of the make and break device, said head engaging the opposite walls when the key 49 and shaft 48 are turned a predetermined distance. The arrangement is such that when the make'V and break device 45 is electrically i connecting the elements 36 and 43, as shown in Fig. l, lateral tension will be placed upon Said shaft, and thus when the shaft is turned sufficiently to rotate the make and break device 45 and carry the latter past its dead center, the tension on said shaft will came a sudden movement of the device 45 to a horizontal position, and at the same time, ivill carry it downvso that it will rest fla-t ipon the plate 43, thus making a quick break. On the other hand, when the key is turncf. to

.is preferably in the form of a move the device 45 to the position shown in Fig. l, it will be a gradual movement until the position illustrated is reached.

A center plug cont-act 50a is employed that stud slidably mounted centrally in the insulator member 37 and boss 4l, and having at its inner end a-stop head 5l that limits its outward movement. This head is borne upon by a substantially S-shaped conducting spring 52, which spring is held beneath the base 53 of a standard 54, secured by a screw 55 to the top or inner end of the insulator member 37. vThe standard 54 carries'another spring 5,6 that detachably bears against the wire terminal plate 34 or the screw 35 that secures the same in place. it will be noted that the current conveyed by a wire connected to the binding post 32 will pass through the spring 56, standard 54, spring 52, to the center plug contact 50a, and the latter will be yieldingly 'maintained in its outer position by said spring 52 passing through the lamp or other electrical device located in the socket. The current will return through the washer 40, plate 43, make and break device 45, conductor spring 36 and plate 33 to the other binding post `31, thus completing the circuit.

.From the foregoing, it is thought that the construction, operation and many advane tages of the herein described invention will beapparent to those skilled in the art, without further description, and it will be undei-stood that various changes in the size, shape, proportion and minorq details of construct-ion; may be resorted to without de'- parting from the spirit or sacrificing any of the advantages of the invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

l. In an electric plug socket, the vcombination with relatively rotatable and detachably associated shell elements, of a securing device rotatably mounted within one of the elements and detachably engaging the other to secure the two elements together.

In an electric plug socket, t-he combination with relatively rotatable and detachably associated shell elements, of a securing dcvice rotatably mounted wit-hin one of the elements and dctachably engaging the other to secure the two elements together, and means for holding the securing device against its rota@ kmovement and different positions.

3. In an electric plug socket, the combina tion with relatively rotatable and detachably associated shell elements, of a securing device rotatably mounted within one of the elements and detachably engaging the other to secure the two elements together, said device detachably interlocking with the element which carries it at a plurality of points to With this arrangement, l

hold said device against its rotary movement and being rotatable when the shell elements are being disconnected.

4. In an electric plug socket, the combination with a cap element having a plurality of teeth, of a securing yoke rotatably mounted on the cap element and having a socket that receives different teeth to hold the yoke and cap element against relative movement and in different positions, and a body element that is detachably engaged by the yoke and is thereby held to .the cap element in different positions with respect thereto.

5. In an electric plug socket, the combination with a cap element, of a spring arm rotatably mounted therein, and detachably interlocking with the cap element at different points. to prevent its rotation, and a body element thatl detach-ably engages with said arm.

(3. In an electric plug socket, the combination with a cap element. of a spring yoke journaled within the same and having` arms that detachably interlock with the cap element at. different points to hold the yoke against rotation'and in different positions, and a body element that detachably engages with said arms of the yoke.

T. In an electric plug socket, the combination with a cap element having a plurality of inset teeth, of a bushinrr carried by the cap element, a yoke rotatably mounted on the bushing and having depending spring arms provided with sockets that receive the different teeth` to hold the yoke against rotation and in different positions, and a shell element that detachably ts within the cap and detachably interlocks with the arms.

8. In an lelectric plug socket, the combination with separable insulator members having adjacent sides, of a wire terminal carried by the adjacent side of one member, a plug contact movably mounted-on the other member and projecting through its adjacent side, and electrically connected Springs mounted on the adjacent side of one member and detachably and yieldingly bearing against the wire terminal and the plug contact.

9. In an electric plug socket, the combination with spaced conducting elements, of a make and break device rotatably located between them, an operating key having a laterally flexible shaft that is rotatable in bination with s aced eonductinfT elements of a make and break device rotatably located between them, an operating key having a laterally flexible shaft that is rotatable in the make and break device and 1s flexed on the movement thereof, and a head carried lby the shaft and engaging the make and break device to cause its movement after a limited independent movement of the key and shaft.

1l. In an electric plug socket, the combination with spaced Contact elements, of' a make and break device rotatably located between them, a key having a spring shaft that is engaged with the device, and a bearing for said shaft, the make and break device when in a predetermined position causing the shaft to be laterally flexed.

1Q. In an electric 'plug socket, the combination with spaced separable insulator members, of conducting elements carried thereby and spaced apart, a box shaped make and break device rotatably located between the elements, a key having a spring shaft fixed thereto, said shaft being rotatably engaged with the make and break device, a head carried by the shaft, and located within the make and break device, said head having alimited movement with respect thereto, and a bearing for the spring shaft, said shaft being laterally flexed when the make and break device is in a position to electricall connect the conducting elements.

13. In electric light sockets, the combination of a cap, a rotatable member carried by the cap and provided with one or more depending locking spring arms, a. shell to eoperate with the cap having one or more openings between its ends for the reception of a portion of the spring arms so that they may be readily operated to disengage the cap and ring.

.In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses. 1

LEGERJ. CASTONGUAY. Witnesses:

EARL J. Murrina, N. L. Bnnws'rnn. 

